Seiko Cal. 5639 - 337

Seiko 5639-337

This Hand-Winding model from 1993 features a 40mm Stainless Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-86f36f15aaf4]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1993

Related Models

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