Seiko Cal. 4431 - 837

Seiko 4431-837

This Hand-Winding model from 1983 features a 40mm Stainless Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8f09a91dc5a4]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
White
Jewels
19j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1983

Related Models

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