Seiko Cal. 3825 - 658

This Quartz model from 1971 features a 37mm Titanium case. Powered by the 3825 caliber with 17j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-001b92ceb8c0]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1971

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