Seiko Cal. 6641 - 234

This Automatic model from 1973 features a 44mm Hardlex-Coated Steel case. Powered by the 6641 caliber with 35j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-d5ec50d3b781]

Also known as: Samurai, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

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