Seiko Cal. 6361 - 256

This Spring Drive model from 1971 features a 38mm Titanium case. Powered by the 6361 caliber with 24j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-98356b137a9d]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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