Seiko Cal. 3854 - 587

This Quartz model from 1973 features a 40mm PVD Black case. Powered by the 3854 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-cd60ca2436d2]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1973

Related Models

• Seiko 0724-502
• Seiko 5241-367
• Seiko 6665-496
• Seiko 5275-142
• Seiko 4413-683
• Seiko 6320-514
• Seiko 0797-426
• Seiko 6682-410
• Seiko 7145-236
• Seiko 6165-526
• Seiko 6625-836
• Seiko 7164-252