Seiko Cal. 6636 - 281

This Spring Drive model from 1997 features a 42mm Two-Tone case. Powered by the 6636 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-3f7ecae856cf]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1997

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