Seiko Cal. 3888 - 250

This Spring Drive model from 1981 features a 46mm Titanium case. Powered by the 3888 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-7046f7969bb1]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

Related Models

• Seiko 4562-113
• Seiko 6238-322
• Seiko 5696-813
• Seiko 6611-160
• Seiko 5236-218
• Seiko 6314-558
• Seiko 6164-618
• Seiko 5657-581
• Seiko 7199-462
• Seiko 7129-806
• Seiko 3874-420
• Seiko 6199-500