Seiko Cal. 6635 - 227

The Seiko 6635-227 represents an important milestone in Seiko's 1973 lineup. It features a Champagne dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-a20c33462dc2]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1973

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