Seiko Cal. 5641 - 382

This Automatic model from 1969 features a 45mm Two-Tone case. Powered by the 5641 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-4b718459c48a]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1969

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